Home / 8,787.90-13,181.85-3,592.56

Finding the Fourth Proportional to 8,787.90, 13,181.85 and 3,592.56

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Solution

The fourth proportional to 8,787.90, 13,181.85 and 3,592.56 is: 5,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.90 : 13,181.85 = 3,592.56 : x
  2. Step 2: Convert to fraction form
    8,787.90/13,181.85 = 3,592.56/x
  3. Step 3: Cross multiply
    8,787.90x = 13,181.85 × 3,592.56
  4. Step 4: Simplify right side
    8,787.90x = 47,356,587.04
  5. Step 5: Solve for x
    x = 47,356,587.04/8,787.90
  6. Step 6: Final answer
    x = 5,388.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.